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Print spool is stalledThis can be solved by clicking on the File menu from the Printer Properties and selecting Restart Printing.

Incorrect/incompatible driver for printFirst make sure that this is the proper driver for the printer if it is, try removing then reinstalling the driver.Try using the Generic/Text Only printer driver for your printer. This can help determine whether or not your printing problem is related to your printer driver. If the Generic driver works try getting a new driver from the manufacturers web site.

Incorrect parameterUse Device Manager to Verify Port Settings Use Device Manager to verify that your printer port settings are correct and that no resource conflicts exist.

Other Common problems

General Protection FaultsGeneral protection faults (GPIs) are caused when a program tries to access a portion of memory that is has not been allocated by Windows or is already being used by another program or TSR. When this happens the screen turns blue with the GPF error message.SolutionsRun scandisk / defragRemove any TSRs or programs which were running before the GPF.Remove and reinstall the program that caused the GPF.Disable power management and screen saversIf you frequently receive GPF errors from different programs you may have to reinstall windows

Bluescreen error (BSOD)

Illegal operationThis program has performed an illegal operation or This program has produced a General Protection Fault . Both of these messages refer to the same type of error. Windows has attempted to write information to a space in its memory that is already in use by the program. Reboot the computer, if problem persists run scandisk.

Invalid working directoryEnsure that the path in Working Directory is correct, or make sure the CD is in the drive and that the drive is mapped, windows loaded without logging you into the network and mapping the appropriate drive letter specified in the application shortcut properties.

System lock upProblems with applications or hardware can lock up a system for many reasons. When the system locks up reboot the computer this usually corrects the problem. If lock ups occur with a certain application frequently try removing and reinstalling the application. In the event that your computer continually locks up with different applications, try running Scandisk and Defrag if this does not help it could be a hardware problem such as an overheated CPU.

Option (Sound card, modem, input device) will not functionCheck Device Manager to see if the device is listed and working properly if not reinstall drivers, if this does not work:Check for conflicting IRQ'sCheck that card is seated in the mother board properly

Application will not start or loadIf an application does not start, you should first restart the system . If this does not solve the problem, try reinstalling the application. Some applications require certain DLL or runtime files which are not included with windows or they may be the wrong versions.

Cannot log on to network (option - NIC not working)The most common network adapter problems are interrupt conflict and transceiver setting.Things to Check:Do the setting on the card match the setting in the network software you usingIs there a conflict between IRQ'sIs there an I/O address conflictIs there a memory conflictIs the cable attached securelyIs the adapter card set to the correct speed setting for the network

Applications don't install

Network connectionIs the correct user name and password being usedAre the proper protocols installedAre network cables loose, damaged, connected or to longIs the network adapter card working properly

Viruses and virus types

What they areA computer virus is a program designed to spread itself by first infecting executable files or the system areas of hard and floppy disks and then making copies of itself.

TSR (Terminate Stay Resident) programs and virusThese programs start when you first turn on your computer and stay in memory, ready for your use, even if they are not active on your screen. These programs can take system resources. These stay resident programs may include screen savers, anti-virus protection, and any DOS or Windows programs that were opened but never shut off.Terminate and Stay Resident. "Memory Resident" viruses go into memory and stay there while the computer is still running. TSR viruses usually design a method by which they are put into memory when the computer is booted, and then run until the computer is shut down.

Sources (floppy, emails, etc.)Virus code must be executed to have any effect, files that are pure data, such as graphics, sound, and plain text files are usually safe. The virus code has to be in a form, such as an .exe, .com, bat or a Word .doc file, that the computer will try to execute.If your computer is infected with a boot sector virus, the virus tries to write copies of itself to the system areas of floppy disks and hard disks. Then the infected floppy disks may infect other computers that boot from them, and the virus copy on the hard disk will try to infect still more floppies.You can't get a virus by reading a plain-text E-mail message, it is only when you open an attachment containing an executable program.

How to determine presenceIn most cases, it is difficult to detect a virus, erratic system behavior, frequent lock ups, system won't boot all these could be caused by a virus. The only way to know for sure if a virus present is to use Antivirus software